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173445 (2000 NC18)
Classification: Main-belt Asteroid          SPK-ID: 2173445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241524426892558 5.1827e-08  
a 3.120398263612093 2.2447e-08 au
q 2.42095337066013 1.613e-07 au
i 7.513092017128645 5.8755e-06 deg
node 348.6009677035311 3.4185e-05 deg
peri 15.47895413885775 3.5648e-05 deg
M 213.345900647693 1.1462e-05 deg
tp 2460020.672445330495
(2023-Mar-17.17244533)
6.9744e-05 TDB
period 2013.323061700924
5.51
2.1724e-05
5.948e-08
d
yr
n .1788088592676526 1.9294e-09 deg/d
Q 3.819843156564056 2.7478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-07-05  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:21:18  

Additional Information
 Earth MOID = 1.41803 au 
 Jupiter MOID = 1.65226 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222737149376039 5.1719e-08  
q 2.426493353823438 1.6077e-07 au
tp 2458007.775288409695
(2017-Sep-11.27528841)
5.7791e-05 TDB
node 348.6236182366592 3.4193e-05 deg
peri 15.72018628407039 3.5684e-05 deg
i 7.510160471004873 5.873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-07-05  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:21:18  

Additional Information
 Jupiter MOID = 1.65226 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.674837132803558E-15 -8.266649877581212E-15 -9.750078698890524E-14 6.611032682084988E-16 -9.019573491434061E-14 -2.324533910394629E-15
q -8.266649877581212E-15 2.584755852429105E-14 7.342284273294215E-13 5.785641124549081E-16 3.186306933109041E-13 8.452516326537547E-15
tp -9.750078698890524E-14 7.342284273294215E-13 3.339831528080895E-9 -2.853986974275565E-12 5.928734065314443E-10 -1.238175248250222E-12
node 6.611032682084988E-16 5.785641124549081E-16 -2.853986974275565E-12 1.169182505849052E-9 -1.159050501576523E-9 1.199304602464137E-11
peri -9.019573491434061E-14 3.186306933109041E-13 5.928734065314443E-10 -1.159050501576523E-9 1.273347387732127E-9 -1.218298025469721E-11
i -2.324533910394629E-15 8.452516326537547E-15 -1.238175248250222E-12 1.199304602464137E-11 -1.218298025469721E-11 3.449222311443688E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.04   n/a E2021B55  

173445 (2000 NC18)          Discovered 2000-Jul-05 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1909-Apr-10 12:06 00:04 Jupiter 1.65837500542004 1.65837436316261 1.65837564768189 2.22711000822607 1.98456795441782 2418407.003940634 3.7525162744963 650.820772205013 28.160092563189 -87.8098210857517 2284030.86301063 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
1919-Jul-27 16:25 00:04 Jupiter 1.97273450963709 1.97273260310988 1.9727364161643 2.86581069539486 2.71185205856878 2422167.184098768 3.59801079894907 107.595105989949 31.5410164570777 -53.9700158157595 1191755.46667467 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
1982-Jan-16 09:45 00:01 Jupiter 1.8228739865871 1.82287306239733 1.82287491078174 1.93259467767597 1.67499126168908 2444985.906265154 1.39661956180735 200.072583789203 40.7547485747252 80.1368550585052 1757102.28306854 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
1992-May-12 14:43 < 00:01 Jupiter 1.66130117715799 1.66130065876257 1.66130169555473 2.22397997643185 1.98150881183351 2448755.113319776 0.869447798627859 581.1498462857 18.0676570545797 -86.7560870292818 2237288.39642926 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2002-Aug-30 10:04 < 00:01 Jupiter 1.98078794175726 1.98078736746797 1.98078851604655 2.95499019253752 2.80655110081177 2452516.919174698 0.519380806154336 63.4258861158367 17.0336867450273 -76.890406727062 2549373.16697247 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2065-Feb-20 02:44 00:02 Jupiter 1.81945960929404 1.81945885188915 1.81946036670275 1.85023013147747 1.57869601711974 2475336.613682745 1.77711610790059 180.993460980964 52.8413039300634 78.977241869192 1782123.91712571 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2075-Jun-15 08:30 00:02 Jupiter 1.67363606694072 1.67363542414926 1.6736367097319 2.22457575932936 1.98407230783677 2479103.854000947 2.07663639507861 559.763796466007 21.2299275512777 -86.8514337754649 2058273.5992608 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2085-Oct-04 07:16 00:03 Jupiter 1.99272770576946 1.99272632517134 1.99272908636802 3.04463132448349 2.90166611585584 2482867.802432795 2.60690858743305 99.8913889587827 27.3415361693182 -61.8707183627512 1573835.55594277 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2148-Mar-29 04:27 00:05 Jupiter 1.81300030623599 1.8129984885552 1.8130021239373 1.75548991033487 1.46538636904207 2505688.685350825 4.93571503660802 362.503583436967 68.0878030289255 75.9684006861772 1745201.61307502 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2158-Jul-19 16:45 00:05 Jupiter 1.67771526821664 1.67771428109817 1.67771625535191 2.2068293843609 1.96478054689998 2509453.198016950 4.9958697789237 673.302498293777 25.9712543516645 -87.6099076035554 1684215.41330345 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21
2168-Nov-08 19:05 00:06 Jupiter 1.99715852773136 1.99715563632601 1.99716141913955 3.11662181677211 2.97743243841671 2513218.295106583 5.63606005365911 196.076825797833 30.3925791290998 -56.2796144699075 1341278.48502104 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 10:21:19 2020-Nov-12 10:21

Alternate Designations
 2000 NC18 = 2001 XT14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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